How does a master key work for different locks?

Question

Some locks are designed to work with two different keys. The change key will open only that specific lock, while the master key will open that lock and several others in a group. In these locks, a few of the pin pairs are separated by a third pin. This third pin is called a master wafer or spacer.

Can you have a master key for different locks?

A master key is a key that opens several different locks, related in some way, within a master key system. For example, an elementary school may have a master key which will open all classroom doors. Classroom doors would each also be opened by a key which would only open that one classroom door.

How do master keys work for multiple locks?

Master key system is a system that allows two or more keys to open one lock. Master keys will be able to open multiple locks. The greater the difference between the master key and the change key, the more master wafers will be needed. The more master wafers, the more possible keys can open the lock.

Do Master Lock keys work on all Master locks?

A: No. Without the key number, there is no way for Master Lock to know which key will open your lock. There is not a master key that will open all Master Lock products.

Are all master key locks the same?

In a Master Keyed system, a master key opens all the locks in the system although each lock also has its own unique key.

Expert · Answer